The STC11L04E-35I-SOP20G is a low-power microcontroller unit (MCU) manufactured by STC Microelectronics. It belongs to the STC11L series, featuring an enhanced 8051 core and designed for applications requiring minimal power consumption. The SOP20G (Small Outline Package) offers a compact surface-mount solution suitable for space-constrained designs.

Applications

• Low-power IoT devices
• Battery-operated remote sensors
• Wearable electronics
• Portable medical equipment
• Smart meters
• Energy harvesting systems

Features

• Low-Voltage Operation: Designed for low-voltage operation, typically 3.3V, to minimize power consumption.
• Enhanced 8051 Core: Offers improved performance compared to traditional 8051 microcontrollers.
• 4KB Flash Memory: On-chip Flash memory provides program storage.
• SOP20G Package: Compact surface mount package for efficient board utilization.
• I/O Ports: Multiple programmable Input/Output pins allow flexible interfacing with external components.
• Timers/Counters: Integrated timers and counters enable precise timing and counting functions.
• UART: Integrated UART for serial communication.
• Interrupts: Supports multiple interrupt sources for event-driven programming.
• Watchdog Timer: Includes a watchdog timer for system reliability and fault tolerance.

Benefits

• Extended Battery Life: Low power consumption maximizes battery life.
• Compact Size: The SOP20G package facilitates miniaturization of electronic devices.
• Cost-Effective: Provides a cost-effective solution for low-power applications.
• Easy to Program: Compatible with standard 8051 programming tools and languages.
• Reliable Operation: The watchdog timer ensures system stability.
• Versatile: Suitable for a broad range of low-power embedded systems.

Additional Details

The STC11L04E-35I-SOP20G microcontroller operates at a clock frequency of 35MHz. The low-voltage operation makes it ideally suited for battery-powered devices where energy efficiency is crucial. The integrated UART allows for easy communication with other devices. The timers can be configured for various purposes, such as generating PWM signals or timing events. The Flash memory facilitates program updates and modifications. This MCU offers a balance of functionality, low power consumption, and small size, making it a suitable choice for many embedded applications. It is designed with a low standby current mode to conserve power. It's manufactured to be RoHS compliant.